US summer could be eight degrees hotter by 2100

Cities in the United States could be on average eight degrees warmer by 2100. In about 78 years, 247 American cities can feel like an entire part of the country — or the world — researchers at Climate Central, a nonprofit that researches climate change, have found. climate changes.

The independent group of scientists and communicators analyzed climate change and how it will affect people’s lives. They found that 16 US cities can see summer temperatures equivalent to those in the Middle East by 2100. Other cities can see temperatures that reflect locations 437 miles south.

Chicago is projected to heat up to 9.1 degrees Fahrenheit, looking more like Montgomery, Alabama.

New York is projected to heat up by 7.6 degrees, with summers expected to feel more like Columbia, South Carolina.

Houston is projected to warm up 6.4 degrees, feeling like Lahore, Pakistan, while Phoenix can rise 7.2 degrees, feeling like Al Mubarraz, Saudi Arabia.

Mitchell, South Dakota is designed to heat up the most — at 11.1 degrees — and is expected to look more like Wichita Falls, Texas.

The hottest average temperatures of summer days were analyzed. The researchers did not incorporate moisture, which contributes to the discomfort of the summer heat.

“The Earth is warming up because the greenhouse gases we emit, primarily from burning fossil fuels, build up in our atmosphere and act like a blanket, trapping heat,” said Climate Central spokesman Peter Girard, to CBS News via email. “The blanket gets denser and retains more heat as we add more pollution to it, which is why summer temperatures in US cities are rising. And they will continue to rise until we stop contributing more pollution to that blanket of heat. . “

Extreme heat and longer heat waves can lead to illness or death, says Climate Central. With less cooling at night due to climate change, vulnerable individuals, the elderly, outdoor workers and people with chronic illnesses may experience more heat stress.

“Summer heat will affect your health. Working outdoors, playing sports and exercising, or living without air conditioning will not only be uncomfortable but also dangerous,” Girard said. “Millions of Americans are already adapting their lives to avoid the midday heat, and millions more are struggling to safely cool down. These realities will become increasingly common as summer temperatures rise.”

Extreme heat can lead to greater risks of heat stroke, extreme heat worsens air quality – especially in cities, Girard added.

But climate change doesn’t just affect health. It can worsen air quality and pollution, lead to more wildfires, flooding and sea level rise, and worsen allergies, among other things, says Climate Central. It can also have an impact on mental health, as climate warming can lead to more catastrophic weather events, which are physically and mentally difficult to recover from.

Solutions to climate change can also positively affect human health. Climate Central suggests planting trees, which reduce carbon dioxide and purify the air, driving an electric car, which reduces emissions and improves air quality; and composting, which also reduces carbon dioxide and improves soil and crop health.

Girard says that as long as pollution accumulates in our atmosphere, temperatures will continue to rise. But climate change is more than just excess heat.

“This analysis did not explore other impacts of climate change, but heavier rainfall is another impact that American cities are already seeing,” he said. “Because a warm atmosphere can hold more moisture, many places experience heavier rainfall – and greater risks of flash floods – than they used to 50 years ago.”

And for most Americans, winter heating is too. “This hurts winter sports and local economies, but warmer winters also disrupt the growing season and stress some crops – especially fruit trees – and expand the ranges of common allergens and pests like mosquitoes and ticks,” he said.

Cities in the US and Europe have experienced various heat waves This summer. In July, some US cities have seen triple-digit temperatures and warnings about elevated fire conditions and heat illness. That same month, Great Britain recorded its first temperature. above the 40 degree Celsius mark (104 degrees Fahrenheit).

On Wednesday, CBS Boston meteorologist and weather executive producer Terry Eliasen said more extreme heat was expected in the area, just over a week after experiencing a seven-day heat wave.

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